Deltran Battery Tender Plus 1.25 amp charger/maintainer (two models) $34.99 + FS – Costco.com, 3/11 & 3/12 ONLY

Costco.com is taking $10 off their regular prices for two Battery Tender Plus models for 3.11 and 3/12 ONLY:
https://www.costco.com/Deltran-Ba…26438.html $34.99
https://www.costco.com/Deltran-Ba…27550.html $34.99
The second link is to the California and Oregon-approved model, which is in a smaller housing.
Free shipping and handling.
For comparison, Amazon.com has these two models for $49.99